56418456 has 64 divisors (see below), whose sum is σ = 147513600. Its totient is φ = 17958528.

The previous prime is 56418449. The next prime is 56418457. The reversal of 56418456 is 65481465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56418457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71295 + ... + 72081.

It is an arithmetic number, because the mean of its divisors is an integer number (2304900).

Almost surely, 2^56418456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56418456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73756800).

56418456 is an abundant number, since it is smaller than the sum of its proper divisors (91095144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56418456 is a wasteful number, since it uses less digits than its factorization.

56418456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 924 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 56418456 is about 7511.2220044411. Note that the first 3 decimals coincide. The cubic root of 56418456 is about 383.5368221855.

The spelling of 56418456 in words is "fifty-six million, four hundred eighteen thousand, four hundred fifty-six".